Thread: Fabspeed Catted Downpipes HJS CATS In stock! ** NO CEL GUARANTEE **
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      08-02-2016, 11:44 AM   #3
mike@x-ph.com
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Drives: 07-335/12-328/18-M4/21-M4CP
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Quote:
Originally Posted by MadViper View Post
Are the expected horsepower gains achievable without a tune on the catted version?
Gains without a tune are about 10 whp
To take full advantage of the DP, get a JB4 we can offer you a combo deal
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